/* * fp_movem.S * * Copyright Roman Zippel, 1997. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, and the entire permission notice in its entirety, * including the disclaimer of warranties. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote * products derived from this software without specific prior * written permission. * * ALTERNATIVELY, this product may be distributed under the terms of * the GNU General Public License, in which case the provisions of the GPL are * required INSTEAD OF the above restrictions. (This clause is * necessary due to a potential bad interaction between the GPL and * the restrictions contained in a BSD-style copyright.) * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "fp_emu.h"
#include "fp_decode.h"
| set flags for decode macros for fmovem
do_fmovem=1
.globl fp_fmovem_fp, fp_fmovem_cr
| %d1 contains the mask and count of the register list
| for other register usage see fp_decode.h
fp_fmovem_fp:
printf PDECODE,"fmovem.x "
| get register list and count them
btst #11,%d2
jne 1f
bfextu %d2{#24,#8},%d0 | static register list
jra 2f
1: bfextu %d2{#25,#3},%d0 | dynamic register list
jsr fp_get_data_reg
2: move.l %d0,%d1
swap %d1
jra 2f
1: addq.w #1,%d1 | count the # of registers in
2: lsr.b #1,%d0 | register list and keep it in %d1
jcs 1b
jne 2b
printf PDECODE,"#%08x",1,%d1
#ifdef FPU_EMU_DEBUG
btst #12,%d2
jne 1f
printf PDECODE,"-" | decremental move
jra 2f
1: printf PDECODE,"+" | incremental move
2: btst #13,%d2
jeq 1f
printf PDECODE,"->" | fpu -> cpu
jra 2f
1: printf PDECODE,"<-" | fpu <- cpu
2:
#endif
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.